Yokogawa Multi Channel Oxygen Analyzer System ZR22/AV550G - Manual (Page 208)

IM 11M12D01-01E 11-14
11.5 Adding Channel Cards
Detectors can be additionally connected to the averaging converter by installing more
channel cards. Follow the procedure below to add a channel card.
<Procedure>
1) Before the procedure, turn off the power to the averaging converter at the external
breaker.
2) Remove the front cover, and position the power switch to "O (OFF)".
3) Remove the channel slot cover from the desired channel by removing the screws
holding the cover to the slot.
4) Slowly insert a channel card into the slot, sliding along the guide rail in the slot.
Make sure that the connector on the back of the channel card is seated properly and
firmly in the slot.
5) Securely tighten the screws on the channel card.
6) Connect the wiring from an additional detector to the terminals on the added channel
card and to the corresponding heater terminals. Now the additional detector is
connected to the averaging converter.
7) Turn on the power to the averaging converter. Check to ensure that on the display,
the added channel becomes active and the temperature of the channel is rising.
DANGER
To work safely, turn off the power to the averaging converter at the external breaker and
position the power switch to "O (OFF)" before the work.
After the work, position the power switch to "I (ON)", attach the front cover, and then
turn on the power to the averaging converter at the external breaker.
CAUTION
• Up to 4 channel cards can be added in the 230 VAC version.
F11.10.eps
Fig. 11.10